Molecular characterization of a distinct bipartite Begomovirus species infecting ivy gourd (Coccinia grandis L.) in Tamil Nadu, India

被引：11
|
作者：
Nagendran, K. [1 ,4 ]
Satya, V. K. [2 ]
Mohankumar, S. [3 ]
Karthikeyan, G. [4 ]
机构：
[1] Indian Inst Vegetable Res, ICAR, Div Crop Protect, Varanasi, Uttar Pradesh, India
[2] Tamil Nadu Agr Univ, Natl Pulses Res Ctr, Vamban, Tamil Nadu, India
[3] Tamil Nadu Agr Univ, Dept Plant Mol Biol & Biotechnol, Coimbatore 641003, Tamil Nadu, India
[4] Tamil Nadu Agr Univ, Dept Plant Pathol, Coimbatore 641003, Tamil Nadu, India
来源：
VIRUS GENES | 2016年 / 52卷 / 01期
关键词：
Bipartite begomovirus; Cucurbits virus; Whitefly; Rolling circle amplification; CURL-PALAMPUR-VIRUS; GEMINIVIRUSES; DISEASE; STRAIN;
D O I：
10.1007/s11262-015-1278-6
中图分类号：
Q3 [遗传学];
学科分类号：
071007 ; 090102 ;
摘要：
A distinct bipartite begomovirus was found to be associated with the mosaic disease on ivy gourd (Coccinia grandis L.) in Tamil Nadu, India. The complete DNA A and DNA B components were cloned by rolling circle amplification. Genome organization of this virus is found to be typical of Old World bipartite begomovirus. The association of betasatellite component with this virus is absent. The closest nucleotide identity of 73.4 % was seen with the Loofa yellow mosaic virus (LYMV-[VN]-AF509739) suggesting that it is a new virus species Coccinia mosaic virus (CoMoV-Ivy gourd [TN TDV Coc1]) and distantly related to the other known begomoviruses. The DNA B component shared a maximum identity of 55 % with that of Tomato leaf curl New Delhi virus (ToLCNDV). In the phylogenetic analysis, CoMoV-Ivy gourd form cluster separate from other begomoviruses. Recombination analysis showed that there was no recombination event in the genome. This is the distinct begomovirus infecting ivy gourd.
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收藏
页码：146 / 151
页数：6
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    K. Nagendran
    V. K. Satya
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